SUSE-SU-2026:22557-1 Security update for haproxy

This update for haproxy fixes the following issues - Update to version 3.2.21+git0.dbe43be37 - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference...

OPENSUSE-SU-2026:21245-1 Security update for haproxy

This update for haproxy fixes the following issues - Update to version 3.2.21+git0.dbe43be37 - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference...

SUSE-SU-2026:22544-1 Security update for haproxy

This update for haproxy fixes the following issues - Update to version 3.2.21+git0.dbe43be37 - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference...

SUSE-SU-2026:22587-1 Security update for haproxy

This update for haproxy fixes the following issues - Update to version 3.2.21+git0.dbe43be37 - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference...

Important: haproxy

Issue Overview: HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c that fails to validate the return value of hpackdhtdefrag when the memory pool is exhausted. An attacker can trigger HPACK dynamic table...

PT-2026-63550

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.2.12.Final Description Netty contains an issue where CRLF Carriage Return Line Feed sequences are not properly neutralized in the HAProxy V1 protocol implementation. Specifically, the...

MAL-2026-6748 Malicious code in haproxy-config-client (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6f86ffde45262c5d45a24458a85116ab5ca80451ce3d3159f9d7cad6599ad145 setup.py registers install, develop, and egginfo command hooks that run a routine which XOR-0x5A-decodes a list of attacker-controlled Cloudflare...

haproxy: HAProxy: Response smuggling due to integer overflow in FastCGI record length handling

A flaw was found in HAProxy. A malicious FastCGI Fast Common Gateway Interface backend can exploit an integer overflow vulnerability in the fcgiconn structure's drl field. This occurs when specific contentLength and paddingLength values cause the drl field to wrap to zero, leading to incorrect...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: haproxy: haproxy-3.0.25-0.1.hum1 aarch64, x8664 haproxy-3.0.25-0.1.hum1.src src...

SUSE-SU-2026:22515-1 Security update for haproxy

This update for haproxy fixes the following issues - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference vulnerability in hpackdhtinsert within...

SUSE-SU-2026:22663-1 Security update for haproxy

This update for haproxy fixes the following issues - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers bsc1268557. - CVE-2026-55204: null pointer dereference vulnerability in hpackdhtinsert within...

netty-codec-haproxy: Netty HAProxy PROXY protocol v2 codec: Denial of Service via memory leak from crafted PROXY protocol headers

A flaw was found in the Netty HAProxy PROXY protocol v2 codec. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy PROXY protocol v2 header with nested PP2TYPESSL type-length-value TLV records. This can lead to a memory leak, causing the underlying cumulation...

netty-codec-haproxy: Netty-codec-haproxy: Denial of Service via malformed HAProxy message

A flaw was found in netty-codec-haproxy, a component of the Netty network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy message with a malformed PP2TYPESSL TLV Type-Length-Value header. This can lead to an IndexOutOfBoundsException...

CVE-2026-55203 affecting package haproxy for versions less than 2.9.11-7

CVE-2026-55203 affecting package haproxy for versions less than 2.9.11-7. A patched version of the package is available...

CVE-2026-55204 affecting package haproxy for versions less than 2.9.11-7

CVE-2026-55204 affecting package haproxy for versions less than 2.9.11-7. A patched version of the package is available...

BIT-HAPROXY-2026-33555

An issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be...

BIT-HAPROXY-2026-55204 HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

HAProxy through 3.4.0, fixed in commit 9a6d1fe, contains a null pointer dereference vulnerability in hpackdhtinsert within src/hpack-tbl.c that fails to validate the return value of hpackdhtdefrag when the memory pool is exhausted. An attacker can trigger HPACK dynamic table insertions under memo...

HAProxy - Integer Overflow in FCGI Demux Record Length Field

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HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

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SUSE SLES15 Security Update : haproxy (SUSE-SU-2026:2652-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2652-1 advisory. This update for haproxy fixes the following issues - CVE-2026-55203: integer overflow vulnerability in the fcgiconn structure's drl field that...